head meter

例句：

1. 1. Theengineer used a head meter to measurethe length of the pipe.
   工程师使用头尺来测量管道的长度。
2. 2. Thecar's engine israted at 150horsepower, which is a goodhead meter for its size.
   这辆车的发动机标称功率为150马力，对于它的尺寸来说是一个不错的头尺。
3. 3. The new model has alarger head meter than the previous one.
   新款模型的头尺比前一款大。